environmental engineering dictionary and directory phần 1 docx

[...]... herbicides, and pesticides agricultural pollution Farming wastes, including runoff and leaching of pesticides and fertilizers; erosion and dust from plowing; improper disposal of animal manure and carcasses; crop residues; and debris agrochemical A substance such as a fertilizer or insecticide used in agriculture agro-ecosystem Land used for crops, pasture, and livestock; the adjacent uncultivated land that... USFilter/Krüger (North America) and OTV AQuit™ Sulfide control product by USFilter/Davis Process Aquox™ Potassium permanganate by Nalon Chemical, distributed by American International Chemical, Inc arable Land capable of being farmed ARAR Applicable or relevant and appropriate requirements Cleanup standards, control standards and other substantive environmental protection requirements, criteria, and limitations promulgated... pollutants, often due to low winds and temperature inversion, that can cause illness and death air purifying respirator (APR) A respirator that uses physical and/ or chemical means to filter air breathed by the user Air Quality Control Region Federally designated area that is required to meet and maintain federal ambient air quality standards air quality criteria The levels of pollution and lengths of exposure... sludge and ash by Ashland Chemical, Drew Industrial ASHRAE American Society of Heating, Refrigeration, and Air Conditioning Engineers Asiatic clam A fresh water clam originally found in Southeast Asia and introduced in the U.S in 19 38 ASME American Society of Mechanical Engineers Aspergillus fumigatus Airborne fungi that may result from composting operations which may cause human ear, lung, and sinus... the humans who consume the water AST Aboveground storage tanks ASTM American Society for Testing and Materials Astrasand® Continuously cleaned sand filter by Astraco Water Engineering Astraseparator® Inclined plate settler by Astraco Water Engineering asymmetric membrane Membranes that are not reversible and can only desalinate efficiently in one direction Asymmetrix™ Membrane cartridge filter by USFilter/Filtration... uniform air flow © 20 01 by CRC Press LLC Amerfloc® Polyelectrolyte used to enhance liquid/solid separation by Ashland Chemical, Drew Industrial America Norit Former name of Norit Americas Inc American Well Works Former name of Amwell Inc Ameroid Polyelectrolyte used to enhance liquid/solid separation by Ashland Chemical, Drew Division Amersep® Coagulants and metal precipitants used in water and wastewater... device to show when the reactions are complete amphibian (1) A member of the Amphibia class of cold blooded, scaleless vertebrates which includes frogs and salamanders (2) A plant or animal that can live both on land or in water Amphidrome™ Fixed-film sequencing batch biological filter by Tetra Process Technologies Ampho-Mag™ Magnesia compound to absorb and buffer chemical spills by Premier Chemicals amphoteric... to one ten-thousandth of a micron anhydride A chemical compound derived by the elimination of water anhydrite See “calcium sulfate.” anhydrous A compound or substance that does not contain water animal unit (AU) A unit for establishing grazing pressures from different kinds of grazing animals which consume similar kinds of forage, where 1AU is equivalent to the weight of 1 cow and 1 calf set at 454... transmitted by the exchange of body fluids AIHA American Industrial Hygiene Association air The mixture of gases, primarily oxygen and nitrogen, that surrounds the earth and forms its atmosphere air binding (1) A condition where air enters filter media and harms both the filtration and backwash processes (2) The obstruction of water flow in a pipeline or pump due to the entrapment of air air bound See “air... invertebrate animals including insects and crustaceans having segmented bodies, exoskeletons, and jointed legs occurring in pairs Arus Andritz Former name of Andritz-Ruthner, Inc ASA Algae sweep automation system by Ford Hall Co., Inc ASB Aerated stabilization basin asbestos A mineral fiber, positively identified as a carcinogen, that does not conduct heat or electricity and formerly in wide use in the building . expanded directory entitled, The Dictionary of Water and Wastewater Treatment Trademarks and Brand Names , published in 19 91, and which contained 12 00 commercial terms. The Concise Dictionary. Pankratz, Tom M. Environmental engineering dictionary and directory / Thomas M. Pankratz. p. cm. ISBN 1- 56670-543-6 (alk. paper) 1. Environmental engineering Dictionaries. 2. Brand name products. completed. Tom Pankratz © 20 01 by CRC Press LLC Introduction This dictionary contains terms used in the fields of environmental engineering and environmental science, and the definitions provided